

A130418


Triangle (of n terms per row) where t(n,m) = the mth positive integer which is coprime to n!.


1



1, 1, 3, 1, 5, 7, 1, 5, 7, 11, 1, 7, 11, 13, 17, 1, 7, 11, 13, 17, 19, 1, 11, 13, 17, 19, 23, 29, 1, 11, 13, 17, 19, 23, 29, 31, 1, 11, 13, 17, 19, 23, 29, 31, 37, 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43
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OFFSET

1,3


LINKS



EXAMPLE

Triangle starts
.1
.1..3
.1..5..7
.1..5..7.11
.1..7.11.13.17
.1..7.11.13.17.19
.1.11.13.17.19.23.29
.1.11.13.17.19.23.29.31
.1.11.13.17.19.23.29.31.37
.1.11.13.17.19.23.29.31.37.41
.1.13.17.19.23.29.31.37.41.43.47
.1.13.17.19.23.29.31.37.41.43.47.53
.1.17.19.23.29.31.37.41.43.47.53.59.61
.1.17.19.23.29.31.37.41.43.47.53.59.61.67
.1.17.19.23.29.31.37.41.43.47.53.59.61.67.71


CROSSREFS



KEYWORD



AUTHOR



EXTENSIONS



STATUS

approved



